Alfa Aesar

Reagents, M, Alfa Aesar

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  • 4-Methoxybenzylamine, 98+%

    Alfa Aesar

    Formula: C8H11NO Formula weight: 137.18 Purity: 98+% CAS Number: 2393-23-9 UN Number: UN2735 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2922.29 Hazard Statements: H301-H314-H318 Toxic if swallowed. Causes severe skin burns and eye damage. Causes serious…

  • Mercury(II) oxide, red, ACS, 99.0% min

    Alfa Aesar

    Formula: HgO Formula weight: 216.59 Purity: 99.0% min CAS Number: 21908-53-2 UN Number: UN1641 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2852.10 Hazard Statements: H300-H310-H330-H373 Fatal if swallowed. Fatal in contact with skin. Fatal if inhaled. May…

  • 2-Methyl-4-nitroaniline, 98%

    Alfa Aesar

    Synonym(s): 2-Amino-5-nitrotoluene, 4-Nitro-o-toluidine Formula: C7H8N2O2 Formula weight: 152.15 Purity: 98% CAS Number: 99-52-5 UN Number: UN2660 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2921.43 Hazard Statements: H301-H311-H331-H373 Toxic if…

  • 2-Mercaptobenzothiazole, 97%

    Alfa Aesar

    Synonym(s): Benzothiazole-2-thiol Formula: C7H5NS2 Formula weight: 167.25 Purity: 97% CAS Number: 149-30-4 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2934.20 Hazard Statements: H302-H317 Harmful if swallowed. May cause an allergic skin…

  • Mercury(II) potassium iodide

    Alfa Aesar

    Formula: HgI4K2 Formula weight: 786.40 CAS Number: 7783-33-7 UN Number: UN2025 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2852.10 Hazard Statements: H300-H310-H330-H373 Fatal if swallowed. Fatal in contact with skin. Fatal if inhaled. May cause damage to…

  • Magnesium oxide, 2 part ceramic adhesive paste

    Alfa Aesar

    UN Number: UN3253 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  3506.10 Hazard Statements: H314-H335-H303 Causes severe skin burns and eye damage. May cause respiratory irritation. May be harmful if swallowed. Precautionary Statements: …

  • 4,4'-Methylenebis(2,6-di-tert-butylphenol), 98%

    Alfa Aesar

    Synonym(s): 4,4'-Dihydroxy-3,3',5,5'-tetra-tert-butyldiphenylmethane Formula: C29H44O2 Formula weight: 424.67 Purity: 98% CAS Number: 118-82-1 Harmonized Tariff Code:  2907.29 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause…

  • Methyl phenyl sulfoxide, 98+%

    Alfa Aesar

    Formula: C7H8OS Formula weight: 140.20 Purity: 98+% CAS Number: 1193-82-4 Harmonized Tariff Code:  2930.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Mercaptoacetic acid sodium salt, 98%

    Alfa Aesar

    Synonym(s): Sodium mercaptoacetate, Sodium thioglycolate Formula: C2H3NaO2S Formula weight: 114.10 Purity: 98% CAS Number: 367-51-1 UN Number: UN3335 Hazard Class: 9 Harmonized Tariff Code:  2930.90 Hazard Statements: H302-H317 Harmful if swallowed. May cause an allergic…

  • Methylenediphosphonic acid, 97%

    Alfa Aesar

    Synonym(s): Bis(dihydroxyphosphoryl)methane, Medronic acid Formula: CH6O6P2 Formula weight: 176.00 Purity: 97% CAS Number: 1984-15-2 UN Number: UN3261 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2931.90 Hazard Statements: H314-H318 Causes severe skin…

  • Mercury(II) chloride, 98+%

    Alfa Aesar

    Synonym(s): Mercuric chloride Formula: HgCl2 Formula weight: 271.50 Purity: 98+% CAS Number: 7487-94-7 UN Number: UN1624 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2852.10 Hazard Statements: H300-H372-H341-H361-H314-H318 Fatal if swallowed. Causes…

  • Molybdenum, plasma standard solution, Specpure r, Mo 1000µg/ml

    Alfa Aesar

    Formula: (NH4)2MoO4 in 1 NH4OH Harmonized Tariff Code:  3822.00

  • Metaphosphoric acid, 39-43%, bal. NaPO{3} (Stabilizer)

    Alfa Aesar

    Formula: HPO3 Formula weight: 79.98 CAS Number: 37267-86-0 UN Number: UN3260 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2809.20 Hazard Statements: H314-H335 Causes severe skin burns and eye damage. May cause respiratory irritation. Precautionary Statements:…

  • Methyl Orange

    Alfa Aesar

    Synonym(s): Acid Orange 52, C.I. 13025 Formula: C14H14N3NaO3S Formula weight: 327.34 CAS Number: 547-58-0 UN Number: UN3143 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2927.00 Hazard Statements: H301 Toxic if swallowed. Precautionary Statements: …

  • Magnesium hydroxide, 95-100.5%

    Alfa Aesar

    Formula: Mg(OH)2 Formula weight: 58.33 Purity: 95-100.5% CAS Number: 1309-42-8 Harmonized Tariff Code:  2816.10 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Merrifield Resin, 1% crosslinked, 200-400 mesh, 1.0-1.3mmol/g

    Alfa Aesar

    Synonym(s): Chloromethyl polystyrene, Chloromethylated styrene-divinylbenzene copolymer CAS Number: 55844-94-5 Harmonized Tariff Code:  3903.90

  • 3-Methylbenzyl chloride, 98%

    Alfa Aesar

    Synonym(s): alpha-Chloro-m-xylene, m-Xylyl chloride Formula: C8H9Cl Formula weight: 140.61 Purity: 98% CAS Number: 620-19-9 UN Number: UN3265 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2903.99 Hazard Statements: H314-H318-H227 Causes severe skin burns…

  • Methoxychlor

    Alfa Aesar

    Formula: C16H15Cl3O2 Formula weight: 345.65 CAS Number: 72-43-5 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2909.30 Hazard Statements: H311-H351-H302-H332 Toxic in contact with skin. Suspected of causing cancer. Harmful if swallowed. Harmful…

  • Molecular sieves, 4A, powder

    Alfa Aesar

    CAS Number: 70955-01-0 Harmonized Tariff Code:  3824.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: P261-P280-P305+P351+P338-P304+P340-P405-P501a Avoid breathing…

  • Magnesium ribbon, approximate dimensions, 3.0mm (0.12in) wide, 0.15mm (0.0059in)…

    Alfa Aesar

    CAS Number: 7439-95-4 UN Number: UN1869 Hazard Class: 4.1 Packing Group: III Harmonized Tariff Code:  8104.90 Hazard Statements: H228-H251-H261 Flammable solid. Self-heating: may catch fire. In contact with water releases flammable gas. Precautionary Statements: …

  • 2-Methoxyethanol, ACS, 99.3+%

    Alfa Aesar

    Synonym(s): Ethylene glycol monomethyl ether Formula: C3H8O2 Formula weight: 76.10 Purity: 99.3+% CAS Number: 109-86-4 UN Number: UN1188 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2909.44 Hazard Statements: H360-H226-H302-H312-H332 May damage fertility…

  • 4'-Methoxyacetophenone, 99%

    Alfa Aesar

    Formula: C9H10O2 Formula weight: 150.18 Purity: 99% CAS Number: 100-06-1 Harmonized Tariff Code:  2914.50 Hazard Statements: H301-H315 Toxic if swallowed. Causes skin irritation. Precautionary Statements: P280h-P405 Wear protective gloves/clothing. Store locked up. Risk…

  • Multi Ion anion IC standard solution in H{2}O, Specpure r

    Alfa Aesar

    Harmonized Tariff Code:  3822.00

  • 2-Methylbutyraldehyde, 95%

    Alfa Aesar

    Synonym(s): 2-Methylbutanal Formula: C5H10O Formula weight: 86.13 Purity: 95% CAS Number: 96-17-3 UN Number: UN1989 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2912.19 Hazard Statements: H225-H315-H319-H335 Highly flammable liquid and vapour. Causes skin…

  • 4-Methylpiperidine, 98+%

    Alfa Aesar

    Synonym(s): 4-Pipecoline Formula: C6H13N Formula weight: 99.18 Purity: 98+% CAS Number: 626-58-4 UN Number: UN2733 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2933.39 Hazard Statements: H225-H314-H318 Highly flammable liquid and vapour. Causes severe skin…

  • Methyl ^b-D-ribofuranoside, 98%

    Alfa Aesar

    Formula: C6H12O5 Formula weight: 164.16 Purity: 98% CAS Number: 7473-45-2 Harmonized Tariff Code:  2940.00

  • Murexide

    Alfa Aesar

    Synonym(s): Ammonium purpurate Formula: C8H8N6O6 Formula weight: 284.19 CAS Number: 3051-09-0 Harmonized Tariff Code:  2933.54

  • Mercury, ACS, 99.999% (metals basis)

    Alfa Aesar

    Purity: 99.999% (metals basis) CAS Number: 7439-97-6 UN Number: UN2809 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2805.40 Hazard Statements: H330-H360-H372 Fatal if inhaled. May damage fertility or the unborn child. Causes damage to organs through prolonged or…

  • Mesitylenesulfonic acid dihydrate, 98+%

    Alfa Aesar

    Synonym(s): 2,4,6-Trimethylbenzenesulfonic acid dihydrate Formula: C9H12O3S 2H2O Formula weight: 236.29 (200.26anhy) Purity: 98+% CAS Number: 835617-36-2 UN Number: UN2585 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2904.10 Hazard Statements: H314-H318 …

  • Magnesium oxide, 96%, light

    Alfa Aesar

    Formula: MgO Formula weight: 40.30 Purity: 96%, light CAS Number: 1309-48-4 Harmonized Tariff Code:  2519.90

  • 2-Methylbutane, 99+%

    Alfa Aesar

    Synonym(s): Isopentane Formula: C5H12 Formula weight: 72.14 Purity: 99+% CAS Number: 78-78-4 UN Number: UN1265 Hazard Class: 3 Packing Group: I Harmonized Tariff Code:  2901.10 Hazard Statements: H224-H304-H336 Extremely flammable liquid and vapour. May be fatal if…

  • 5-Methyl-2-furaldehyde, 98%

    Alfa Aesar

    Synonym(s): 5-Methylfurfural Formula: C6H6O2 Formula weight: 110.11 Purity: 98% CAS Number: 620-02-0 Harmonized Tariff Code:  2932.19 Hazard Statements: H315-H319-H335-H227 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Combustible…

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